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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 78 |
| 3 | 966 |
| 4 | 9870 |
| 5 | 99330 |
| 6 | 930930 |
| 7 | 9699690 |
| 8 | 99953490 |
| 9 | 999068070 |
| 10 | 9592993410 |
| 11 | 99978788910 |
| 12 | 999890501610 |
| 13 | 9814524629910 |
| 14 | 99999887777790 |
| 15 | 998448347106210 |
| 16 | 9999999768941490 |
| 17 | 99992911041433410 |
| 18 | 997799870344687410 |
| 19 | 9999839051940347610 |
| 20 | 99987077573596883670 |
[6,78,966,9870,99330,930930,9699690,99953490, 999068070,9592993410,99978788910,999890501610, 9814524629910,99999887777790,998448347106210, 9999999768941490,99992911041433410, 997799870344687410,9999839051940347610, 99987077573596883670] |